Track 1: Night Time Unison or 2-Part – Accompaniment Track – Erik Whitehill-1

Track 2: Night Time Unison or 2-Part – Balanced Voices – Erik Whitehill-1

Track 3: Night Time Unison or 2-Part – Part 1 Muted – Erik Whitehill-1

Track 4: Night Time Unison or 2-Part – Part 1 Predominant – Erik Whitehill-1

Track 5: Night Time Unison or 2-Part – Part 2 Muted – Erik Whitehill-1

Track 6: Night Time Unison or 2-Part – Part 2 Predominant – Erik Whitehill-1